Polarisation involves the distortion of the shape of an anion by an adjacently placed cation In this context, which of the following statements is correct ? .
A. Maximum polarisation is brought about by a cation of high charge
B. Minimum polarisation is brought about by a cation of low radius
C. A large cation is likely to bring about a large degree of polarisation
D. Polarisation power of cation is less than that of anion
